package com.principle.adapter.objectadapter;

import com.principle.adapter.objectadapter.IVoltage5V;

//适配器类
public class VoltageAdapter  implements IVoltage5V {
    private Voltage220V voltage220V;//关联关系 - 聚合

    //通过构造器，传入一个 Voltage220V 实例
    public VoltageAdapter(Voltage220V voltage220V) {
        this.voltage220V = voltage220V;
    }

    @Override
    public int output5V() {
       int dst = 0;
       if (voltage220V!=null){
           int src =voltage220V.output220V();//获取220V电压
           System.out.println("使用对象适配器，进行适配");
           dst = src/44;
           System.out.println("适配完成，输出电压为="+dst);
       }
       return dst;
    }
}
